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LibJS: Store Instant's and ZonedDateTime's m_nanoseconds as a const&

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There's no need for these to be non-const. Suggested by @IdanHo in
https://github.com/SerenityOS/serenity/pull/9904#discussion_r704960184.

Perhaps we can make more internal slots of these and other objects const
references as well, but that's a bit more involved as they are used by
various functions expecting non-const references.
This commit is contained in:
Linus Groh 2021-09-09 21:18:08 +01:00
parent e4c07c5b8f
commit 5ae6ad8557
4 changed files with 12 additions and 14 deletions
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11
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.h
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@ -15,11 +15,10 @@ class ZonedDateTime final : public Object {
JS_OBJECT(ZonedDateTime, Object);
public:
ZonedDateTime(BigInt& nanoseconds, Object& time_zone, Object& calendar, Object& prototype);
ZonedDateTime(BigInt const& nanoseconds, Object& time_zone, Object& calendar, Object& prototype);
virtual ~ZonedDateTime() override = default;
[[nodiscard]] BigInt const& nanoseconds() const { return m_nanoseconds; }
[[nodiscard]] BigInt& nanoseconds() { return m_nanoseconds; }
[[nodiscard]] Object const& time_zone() const { return m_time_zone; }
[[nodiscard]] Object& time_zone() { return m_time_zone; }
[[nodiscard]] Object const& calendar() const { return m_calendar; }
@ -29,11 +28,11 @@ private:
virtual void visit_edges(Visitor&) override;
// 6.4 Properties of Temporal.ZonedDateTime Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-zoneddatetime-instances
BigInt& m_nanoseconds; // [[Nanoseconds]]
Object& m_time_zone; // [[TimeZone]]
Object& m_calendar; // [[Calendar]]
BigInt const& m_nanoseconds; // [[Nanoseconds]]
Object& m_time_zone; // [[TimeZone]]
Object& m_calendar; // [[Calendar]]
};
ZonedDateTime* create_temporal_zoned_date_time(GlobalObject&, BigInt& epoch_nanoseconds, Object& time_zone, Object& calendar, FunctionObject const* new_target = nullptr);
ZonedDateTime* create_temporal_zoned_date_time(GlobalObject&, BigInt const& epoch_nanoseconds, Object& time_zone, Object& calendar, FunctionObject const* new_target = nullptr);
}